Personal Training or Group Training at Brian Parker Fitness (Up to 78% Off). Four Options Available.

Brian Parker Fitness

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$81

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In a Nutshell

A trainer with 12 years of weight training and coaching experience helps clients transform flab into lean muscle

The Fine Print

Expires 90 days after purchase.
Limit 1 per person, may buy 2 additional as gifts. Valid only for option purchased. Limit 1 per visit. 24-hr cancellation notice required. Reservation required. Must sign waiver.
Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

Brian Parker Fitness

When you have a fitness trainer, you can't slack off by lifting the lighter weights or standing quietly in a locker until it's time to go home. Get a push in the right direction with this Groupon.

When you have a fitness trainer, you can't slack off by lifting the lighter weights or standing quietly in a locker until it's time to go home. Get a push in the right direction with this Groupon.

Choose from Four Options

$29 for two customized personal training sessions ($110 value)

$42 for four customized personal training sessions ($165 value)

$72 for six customized personal training sessions ($330 value)

$89 for four customized group training sessions ($360 value)

Building Muscle: Cells on the Move

Read on to learn exactly how fitness classes leave you with more muscle or better tone.

Bulky upper-body muscles might have hindered early humans who had to chase their prey across the plains, but it could help those who often had to climb trees to adjust their satellite dishes. That’s why the body builds muscle according mostly to use: do enough curls, and the biceps expand. As anyone who has experienced post-workout soreness could intuit, those curls are actually a form of controlled damage, making thousands of miniscule tears to the muscle tissue that beckon autoimmune cells to show up alongside testosterone and other hormones. The white blood cells help switch on satellite cells, which are similar to stem cells. Before they're activated, satellite cells aren't doing much—instead, they lie dormant around muscle fibers until they're called into action to repair torn tissue.

This isn't the only kind of cellular transformation at work in growing muscles. Long muscle cells, which contain several nuclei, can also begin to change type after a workout. Certain kinds of muscle fibers are equipped to handle brief bursts of effort but will quickly become tired if asked to do more intense work. These are the first to disappear as someone starts an exercise routine, as they're converted into fibers with more endurance. This principle is so dramatic that a sports scientist can generally tell whether someone is a professional athlete or a professional mattress model by examining a minute sample of muscle tissue.